| Q3JC24 | NUOK_NITOC | Nitrosococcus oceani (strain ATCC 19707 / BCRC 17464 / NCIMB 11848 / C-107) | nuoK Noc_1118 | Detail |
| Q9I0J2 | NUOK_PSEAE | Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1) | nuoK PA2646 | Detail |
| P26303 | NU3C_WHEAT | Triticum aestivum (Wheat) | ndhC | Detail |
| Q3Z7Z7 | NUOH_DEHM1 | Dehalococcoides mccartyi (strain ATCC BAA-2266 / KCTC 15142 / 195) (Dehalococcoides ethenogenes (strain 195)) | nuoH DET0927 | Detail |
| B7NNW1 | NUOH_ECO7I | Escherichia coli O7:K1 (strain IAI39 / ExPEC) | nuoH ECIAI39_2429 | Detail |
| A4WCR1 | NUOH_ENT38 | Enterobacter sp. (strain 638) | nuoH Ent638_2826 | Detail |
| Q4FU64 | NUOA_PSYA2 | Psychrobacter arcticus (strain DSM 17307 / 273-4) | nuoA Psyc_0584 | Detail |
| B7J6H2 | NUOB_ACIF2 | Acidithiobacillus ferrooxidans (strain ATCC 23270 / DSM 14882 / CIP 104768 / NCIMB 8455) (Ferrobacillus ferrooxidans (strain ATCC 23270)) | nuoB AFE_2411 | Detail |
| Q31HF7 | NUOD_HYDCU | Hydrogenovibrio crunogenus (strain XCL-2) (Thiomicrospira crunogena) | nuoD Tcr_0820 | Detail |
| Q7CQ49 | NUOA_SALTY | Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720) | nuoA STM2328 | Detail |